DE202008017752U1 - Vorrichtung zum Erlangen eines Dämpfungsfaktors - Google Patents

Vorrichtung zum Erlangen eines Dämpfungsfaktors Download PDF

Info

Publication number
DE202008017752U1
DE202008017752U1 DE202008017752U DE202008017752U DE202008017752U1 DE 202008017752 U1 DE202008017752 U1 DE 202008017752U1 DE 202008017752 U DE202008017752 U DE 202008017752U DE 202008017752 U DE202008017752 U DE 202008017752U DE 202008017752 U1 DE202008017752 U1 DE 202008017752U1
Authority
DE
Germany
Prior art keywords
signal
energy
unit
damping
subunit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE202008017752U
Other languages
German (de)
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of DE202008017752U1 publication Critical patent/DE202008017752U1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/097Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephone Function (AREA)
  • Fluid-Damping Devices (AREA)
  • Telephonic Communication Services (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Networks Using Active Elements (AREA)
  • Communication Control (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE202008017752U 2007-11-05 2008-11-05 Vorrichtung zum Erlangen eines Dämpfungsfaktors Expired - Lifetime DE202008017752U1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN200710169618 2007-11-05
CN2007101696180A CN101207665B (zh) 2007-11-05 2007-11-05 一种衰减因子的获取方法
EP08168328A EP2056292B1 (en) 2007-11-05 2008-11-05 Method and apparatus for obtaining an attenuation factor

Publications (1)

Publication Number Publication Date
DE202008017752U1 true DE202008017752U1 (de) 2010-09-16

Family

ID=39567522

Family Applications (3)

Application Number Title Priority Date Filing Date
DE602008002938T Active DE602008002938D1 (de) 2007-11-05 2008-11-05 Sprachsignalverarbeitung bei der Verschleierung von Paketverlusten
DE202008017752U Expired - Lifetime DE202008017752U1 (de) 2007-11-05 2008-11-05 Vorrichtung zum Erlangen eines Dämpfungsfaktors
DE602008000668T Active DE602008000668D1 (de) 2007-11-05 2008-11-05 Verfahren und Vorrichtung zur Erlangung eines Dämpfungsfaktors

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE602008002938T Active DE602008002938D1 (de) 2007-11-05 2008-11-05 Sprachsignalverarbeitung bei der Verschleierung von Paketverlusten

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602008000668T Active DE602008000668D1 (de) 2007-11-05 2008-11-05 Verfahren und Vorrichtung zur Erlangung eines Dämpfungsfaktors

Country Status (13)

Country Link
US (2) US8320265B2 (zh)
EP (2) EP2056292B1 (zh)
JP (2) JP4824734B2 (zh)
KR (1) KR101168648B1 (zh)
CN (4) CN101207665B (zh)
AT (2) ATE458241T1 (zh)
BR (1) BRPI0808765B1 (zh)
DE (3) DE602008002938D1 (zh)
DK (1) DK2056292T3 (zh)
ES (1) ES2340975T3 (zh)
HK (2) HK1142713A1 (zh)
PL (1) PL2056292T3 (zh)
WO (1) WO2009059497A1 (zh)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101325631B (zh) * 2007-06-14 2010-10-20 华为技术有限公司 一种估计基音周期的方法和装置
CN100550712C (zh) * 2007-11-05 2009-10-14 华为技术有限公司 一种信号处理方法和处理装置
KR100998396B1 (ko) * 2008-03-20 2010-12-03 광주과학기술원 프레임 손실 은닉 방법, 프레임 손실 은닉 장치 및 음성송수신 장치
CN101483042B (zh) * 2008-03-20 2011-03-30 华为技术有限公司 一种噪声生成方法以及噪声生成装置
JP5150386B2 (ja) * 2008-06-26 2013-02-20 日本電信電話株式会社 電磁ノイズ診断装置、電磁ノイズ診断システム及び電磁ノイズ診断方法
JP5694745B2 (ja) * 2010-11-26 2015-04-01 株式会社Nttドコモ 隠蔽信号生成装置、隠蔽信号生成方法および隠蔽信号生成プログラム
EP2487350A1 (de) * 2011-02-11 2012-08-15 Siemens Aktiengesellschaft Verfahren zur Regelung einer Gasturbine
CN107068156B (zh) 2011-10-21 2021-03-30 三星电子株式会社 帧错误隐藏方法和设备以及音频解码方法和设备
EP3537436B1 (en) * 2011-10-24 2023-12-20 ZTE Corporation Frame loss compensation method and apparatus for voice frame signal
RU2612581C2 (ru) 2012-11-15 2017-03-09 Нтт Докомо, Инк. Устройство кодирования аудио, способ кодирования аудио, программа кодирования аудио, устройство декодирования аудио, способ декодирования аудио и программа декодирования аудио
ES2881510T3 (es) 2013-02-05 2021-11-29 Ericsson Telefon Ab L M Método y aparato para controlar la ocultación de pérdida de trama de audio
CN104299614B (zh) * 2013-07-16 2017-12-29 华为技术有限公司 解码方法和解码装置
CN108364657B (zh) * 2013-07-16 2020-10-30 超清编解码有限公司 处理丢失帧的方法和解码器
CN103714820B (zh) * 2013-12-27 2017-01-11 广州华多网络科技有限公司 参数域的丢包隐藏方法及装置
US10035557B2 (en) * 2014-06-10 2018-07-31 Fu-Long Chang Self-balancing vehicle frame
CN106683681B (zh) 2014-06-25 2020-09-25 华为技术有限公司 处理丢失帧的方法和装置
US9978400B2 (en) * 2015-06-11 2018-05-22 Zte Corporation Method and apparatus for frame loss concealment in transform domain
US10362269B2 (en) * 2017-01-11 2019-07-23 Ringcentral, Inc. Systems and methods for determining one or more active speakers during an audio or video conference session
CN113496706B (zh) * 2020-03-19 2023-05-23 抖音视界有限公司 音频处理方法、装置、电子设备及存储介质

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2654643B2 (ja) 1987-03-11 1997-09-17 東洋通信機株式会社 音声分析方法
JPH06130999A (ja) 1992-10-22 1994-05-13 Oki Electric Ind Co Ltd コード励振線形予測復号化装置
US5787430A (en) * 1994-06-30 1998-07-28 International Business Machines Corporation Variable length data sequence backtracking a trie structure
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures
JP3095340B2 (ja) 1995-10-04 2000-10-03 松下電器産業株式会社 音声復号化装置
TW326070B (en) * 1996-12-19 1998-02-01 Holtek Microelectronics Inc The estimation method of the impulse gain for coding vocoder
US6011795A (en) * 1997-03-20 2000-01-04 Washington University Method and apparatus for fast hierarchical address lookup using controlled expansion of prefixes
JP3567750B2 (ja) 1998-08-10 2004-09-22 株式会社日立製作所 圧縮音声再生方法及び圧縮音声再生装置
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
JP2001228896A (ja) 2000-02-14 2001-08-24 Iwatsu Electric Co Ltd 欠落音声パケットの代替置換方式
US20070192863A1 (en) * 2005-07-01 2007-08-16 Harsh Kapoor Systems and methods for processing data flows
EP1199709A1 (en) * 2000-10-20 2002-04-24 Telefonaktiebolaget Lm Ericsson Error Concealment in relation to decoding of encoded acoustic signals
WO2002071389A1 (fr) 2001-03-06 2002-09-12 Ntt Docomo, Inc. Procede et dispositif d'interpolation de donnees sonores, procede et dispositif de creation d'informations relatives aux donnees sonores, procede et dispositif de transmission des informations d'interpolation des donnees sonores, et programme et support d'enregistrement correspondants
US6785687B2 (en) * 2001-06-04 2004-08-31 Hewlett-Packard Development Company, L.P. System for and method of efficient, expandable storage and retrieval of small datasets
US6816856B2 (en) * 2001-06-04 2004-11-09 Hewlett-Packard Development Company, L.P. System for and method of data compression in a valueless digital tree representing a bitset
US7711563B2 (en) * 2001-08-17 2010-05-04 Broadcom Corporation Method and system for frame erasure concealment for predictive speech coding based on extrapolation of speech waveform
US7143032B2 (en) * 2001-08-17 2006-11-28 Broadcom Corporation Method and system for an overlap-add technique for predictive decoding based on extrapolation of speech and ringinig waveform
EP1292036B1 (en) * 2001-08-23 2012-08-01 Nippon Telegraph And Telephone Corporation Digital signal decoding methods and apparatuses
CA2388439A1 (en) 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
US20040064308A1 (en) * 2002-09-30 2004-04-01 Intel Corporation Method and apparatus for speech packet loss recovery
KR20030024721A (ko) 2003-01-28 2003-03-26 배명진 보이스-펜에서 녹음소리를 정답게 들려주는소프트사운드기능
JP4303687B2 (ja) * 2003-01-30 2009-07-29 富士通株式会社 音声パケット消失隠蔽装置,音声パケット消失隠蔽方法,受信端末および音声通信システム
US7415463B2 (en) * 2003-05-13 2008-08-19 Cisco Technology, Inc. Programming tree data structures and handling collisions while performing lookup operations
US7415472B2 (en) * 2003-05-13 2008-08-19 Cisco Technology, Inc. Comparison tree data structures of particular use in performing lookup operations
JP2005024756A (ja) 2003-06-30 2005-01-27 Toshiba Corp 復号処理回路および移動端末装置
US7302385B2 (en) * 2003-07-07 2007-11-27 Electronics And Telecommunications Research Institute Speech restoration system and method for concealing packet losses
US20050049853A1 (en) * 2003-09-01 2005-03-03 Mi-Suk Lee Frame loss concealment method and device for VoIP system
JP4365653B2 (ja) * 2003-09-17 2009-11-18 パナソニック株式会社 音声信号送信装置、音声信号伝送システム及び音声信号送信方法
KR100587953B1 (ko) * 2003-12-26 2006-06-08 한국전자통신연구원 대역-분할 광대역 음성 코덱에서의 고대역 오류 은닉 장치 및 그를 이용한 비트스트림 복호화 시스템
JP4733939B2 (ja) 2004-01-08 2011-07-27 パナソニック株式会社 信号復号化装置及び信号復号化方法
EP1722359B1 (en) 2004-03-05 2011-09-07 Panasonic Corporation Error conceal device and error conceal method
US7034675B2 (en) * 2004-04-16 2006-04-25 Robert Bosch Gmbh Intrusion detection system including over-under passive infrared optics and a microwave transceiver
JP4345588B2 (ja) * 2004-06-24 2009-10-14 住友金属鉱山株式会社 希土類−遷移金属−窒素系磁石粉末とその製造方法、および得られるボンド磁石
CN1989548B (zh) 2004-07-20 2010-12-08 松下电器产业株式会社 语音解码装置及补偿帧生成方法
KR20060011417A (ko) * 2004-07-30 2006-02-03 삼성전자주식회사 음성 출력과 영상 출력을 제어하는 장치와 제어 방법
KR101237546B1 (ko) 2005-01-31 2013-02-26 스카이프 통신 시스템에서 프레임들을 연결하는 방법
JP4846712B2 (ja) * 2005-03-14 2011-12-28 パナソニック株式会社 スケーラブル復号化装置およびスケーラブル復号化方法
US20070174047A1 (en) * 2005-10-18 2007-07-26 Anderson Kyle D Method and apparatus for resynchronizing packetized audio streams
KR100745683B1 (ko) * 2005-11-28 2007-08-02 한국전자통신연구원 음성의 특징을 이용한 패킷 손실 은닉 방법
CN1983909B (zh) * 2006-06-08 2010-07-28 华为技术有限公司 一种丢帧隐藏装置和方法
CN101000768B (zh) * 2006-06-21 2010-12-08 北京工业大学 嵌入式语音编解码的方法及编解码器

Also Published As

Publication number Publication date
CN102682777B (zh) 2013-11-06
HK1155844A1 (zh) 2012-05-25
EP2161719B1 (en) 2010-10-06
EP2056292B1 (en) 2010-02-17
DE602008002938D1 (de) 2010-11-18
US8320265B2 (en) 2012-11-27
JP5255585B2 (ja) 2013-08-07
DE602008000668D1 (de) 2010-04-01
JP2009175693A (ja) 2009-08-06
JP2010176142A (ja) 2010-08-12
ES2340975T3 (es) 2010-06-11
PL2056292T3 (pl) 2010-07-30
CN102169692B (zh) 2014-04-30
JP4824734B2 (ja) 2011-11-30
ATE484052T1 (de) 2010-10-15
EP2056292A3 (en) 2009-05-27
EP2056292A2 (en) 2009-05-06
EP2161719A2 (en) 2010-03-10
KR101168648B1 (ko) 2012-07-25
BRPI0808765B1 (pt) 2020-09-15
CN101578657A (zh) 2009-11-11
US20090116486A1 (en) 2009-05-07
HK1142713A1 (en) 2010-12-10
BRPI0808765A2 (pt) 2014-09-16
CN101207665A (zh) 2008-06-25
ATE458241T1 (de) 2010-03-15
WO2009059497A1 (fr) 2009-05-14
US7957961B2 (en) 2011-06-07
EP2161719A3 (en) 2010-03-24
DK2056292T3 (da) 2010-06-07
CN102169692A (zh) 2011-08-31
CN102682777A (zh) 2012-09-19
KR20090046714A (ko) 2009-05-11
CN101578657B (zh) 2012-11-07
CN101207665B (zh) 2010-12-08
US20090316598A1 (en) 2009-12-24

Similar Documents

Publication Publication Date Title
DE202008017752U1 (de) Vorrichtung zum Erlangen eines Dämpfungsfaktors
DE60121405T2 (de) Transkodierer zur Vermeidung einer Kaskadenkodierung von Sprachsignalen
DE60122203T2 (de) Verfahren und system zur erzeugung von behaglichkeitsrauschen bei der sprachkommunikation
DE60117144T2 (de) Sprachübertragungssystem und verfahren zur behandlung verlorener datenrahmen
DE60024501T2 (de) Verbesserung der perzeptuellen Qualität von SBR (Spektralbandreplikation) UND HFR (Hochfrequenzen-Rekonstruktion) Kodierverfahren mittels adaptivem Addieren von Grundrauschen und Begrenzung der Rauschsubstitution
DE60202881T2 (de) Wiederherstellung von hochfrequenzkomponenten
DE69915830T2 (de) Verbesserte verfahren zur rückgewinnung verlorener datenrahmen für ein lpc-basiertes, parametrisches sprachkodierungsystem.
DE69910058T2 (de) Verbesserung der periodizität eines breitbandsignals
DE69926821T2 (de) Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
DE69534285T2 (de) Verfahren und Vorrichtung zur Auswahl der Kodierrate in einem Vocoder mit variabler Rate
DE60219351T2 (de) Signaländerungsverfahren zur effizienten kodierung von sprachsignalen
DE69730779T2 (de) Verbesserungen bei oder in Bezug auf Sprachkodierung
DE69727895T2 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE69634645T2 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE60029990T2 (de) Glättung des verstärkungsfaktors in breitbandsprach- und audio-signal dekodierer
DE60128121T2 (de) Wahrnehmungsbezogen verbesserte aufbesserung kodierter akustischer signale
DE602004006211T2 (de) Verfahren zur Maskierung von Paketverlusten und/oder Rahmenausfall in einem Kommunikationssystem
DE69730721T2 (de) Verfahren und vorrichtungen zur geräuschkonditionierung von signalen welche audioinformationen darstellen in komprimierter und digitalisierter form
DE69820362T2 (de) Nichtlinearer Filter zur Geräuschunterdrückung in linearen Prädiktions-Sprachkodierungs-Vorrichtungen
DE102008042579A1 (de) Verfahren zur Fehlerverdeckung bei fehlerhafter Übertragung von Sprachdaten
DE60032006T2 (de) Prädiktionssprachkodierer mit musterauswahl für kodierungsshema zum reduzieren der empfindlichkeit für rahmenfehlern
EP2158588A1 (de) Spektralglättungsverfahren von verrauschten signalen
DE60131766T2 (de) Wahrnehmungsbezogen verbesserte codierung akustischer signale
EP1953739A2 (de) Verfahren und Vorrichtung zur Geräuschunterdrückung
DE60124079T2 (de) Sprachverarbeitung

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20101021

R150 Utility model maintained after payment of first maintenance fee after three years
R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20111207

R151 Utility model maintained after payment of second maintenance fee after six years
R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20141112

R152 Utility model maintained after payment of third maintenance fee after eight years
R071 Expiry of right